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Finding the Fourth Proportional to 111.96, 167.53 and 92.52

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Solution

The fourth proportional to 111.96, 167.53 and 92.52 is: 138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111.96 : 167.53 = 92.52 : x
  2. Step 2: Convert to fraction form
    111.96/167.53 = 92.52/x
  3. Step 3: Cross multiply
    111.96x = 167.53 × 92.52
  4. Step 4: Simplify right side
    111.96x = 15,498.58
  5. Step 5: Solve for x
    x = 15,498.58/111.96
  6. Step 6: Final answer
    x = 138.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.